/usr/share/alsa/alsa.conf.d/README

You can place files named *.conf in this folder and they will be processed
when initialising alsa-lib.

/usr/share/doc/libasound2/NEWS.Debian.gz

alsa-lib (1.0.7-1) unstable; urgency=high
Some users might encounter problems getting their sound cards to work
when using alsa-lib version 1.0.6 or 1.0.7 along with Linux kernel
2.6.8.1. (The latter is the kernel that Debian plans to ship with
sarge. Users of Linux 2.4 are not affected by this problem because
Linux 2.4 does not contain any ALSA drivers.) The reason is that
Linux 2
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